Re: [PATCH v4 08/10] powerpc/powernv: Add platform support for stop instruction

2016-05-30 Thread Shreyas B Prabhu
Hi Ram, On 05/28/2016 05:36 AM, Ram Pai wrote: > On Tue, May 24, 2016 at 06:45:12PM +0530, Shreyas B. Prabhu wrote: [snip] >> @@ -230,11 +236,18 @@ static DEVICE_ATTR(fastsleep_workaround_applyonce, >> 0600, >> show_fastsleep_workaround_applyonce, >>

Re: [PATCH v4 08/10] powerpc/powernv: Add platform support for stop instruction

2016-05-27 Thread Ram Pai
On Tue, May 24, 2016 at 06:45:12PM +0530, Shreyas B. Prabhu wrote: > POWER ISA v3 defines a new idle processor core mechanism. In summary, > a) new instruction named stop is added. This instruction replaces > instructions like nap, sleep, rvwinkle. > b) new per thread SPR named Processor

Re: [PATCH v4 08/10] powerpc/powernv: Add platform support for stop instruction

2016-05-24 Thread Gautham R Shenoy
Hi Shreyas, On Tue, May 24, 2016 at 06:45:12PM +0530, Shreyas B. Prabhu wrote: > POWER ISA v3 defines a new idle processor core mechanism. In summary, > a) new instruction named stop is added. This instruction replaces > instructions like nap, sleep, rvwinkle. > b) new per thread SPR

[PATCH v4 08/10] powerpc/powernv: Add platform support for stop instruction

2016-05-24 Thread Shreyas B. Prabhu
POWER ISA v3 defines a new idle processor core mechanism. In summary, a) new instruction named stop is added. This instruction replaces instructions like nap, sleep, rvwinkle. b) new per thread SPR named Processor Stop Status and Control Register (PSSCR) is added which controls